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// A tap on a clip in the pager is a tap even if the finger moves a little:
// the browser takes a touch that moves a few pixels for a scroll (no click,
// and a quick one could fling the pager on). A touch that travels less than
// 30px pauses (or plays) the clip and leaves the pager where it was; only a
// longer one pages.
// Run: bun tools/pager-tap-slop-test.js
import puppeteer from './puppeteer.js';
import { cacheKeyFor } from '../src/wallet.js';
import { generateSecretKey, getPublicKey, finalizeEvent } from 'nostr-tools/pure';
import { buildHtml } from '../build.js';
import { existsSync } from 'node:fs';
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
let ok = true;
const check = (n, c, d = '') => { console.log(` ${c ? '✓' : '✗'} ${n}${d ? ' — ' + d : ''}`); if (!c) ok = false; };
const clip = (name, size) => {
const f = '/tmp/coinos-vpager-' + name + '.webm';
if (!existsSync(f)) Bun.spawnSync(['ffmpeg', '-y', '-loglevel', 'error', '-f', 'lavfi', '-i', 'testsrc=size=' + size + ':rate=10', '-t', '30', '-c:v', 'libvpx', '-b:v', '100k', f]);
return f;
};
const CLIPS = { wide: clip('wide', '320x180'), tall: clip('tall', '180x320'), last: clip('last', '240x240') };
const SK = generateSecretKey(), AUTHOR = getPublicKey(SK);
const now = Math.floor(Date.now() / 1000);
const post = (content, ago) => finalizeEvent({ kind: 1, created_at: now - ago, tags: [], content }, SK);
const html = await buildHtml({ minify: true, pwa: false });
const server = Bun.serve({ port: 0, fetch: (req) => {
const path = new URL(req.url).pathname;
const m = /^\/(wide|tall|last)\.webm$/.exec(path);
if (m) return new Response(Bun.file(CLIPS[m[1]]), { headers: { 'content-type': 'video/webm' } });
if (path.startsWith('/punks') || path === '/verify-worker.js') return new Response(Bun.file('dist' + path));
return new Response(html, { headers: { 'content-type': 'text/html' } });
} });
const U = (n) => server.url.origin + '/' + n + '.webm';
const seeded = [
post('a wide one ' + U('wide'), 100),
post('a tall one ' + U('tall'), 200),
post('only words here, nothing to watch', 300),
post('the last clip ' + U('last'), 400),
...Array.from({ length: 10 }, (_, i) => post('filler ' + i + ' ' + 'lorem ipsum dolor sit amet. '.repeat(5), 500 + i * 60)),
];
const browser = await puppeteer.launch({ executablePath: '/usr/bin/google-chrome', headless: 'new', args: ['--no-sandbox', '--autoplay-policy=no-user-gesture-required'] });
const page = await browser.newPage();
await page.evaluateOnNewDocument(() => {
const Real = window.WebSocket;
window.WebSocket = function (...a) { const ws = new Real(...a); const send = ws.send.bind(ws); ws.send = (d) => { try { const m = JSON.parse(d); if (m[0] === 'REQ') { setTimeout(() => ws.dispatchEvent(new MessageEvent('message', { data: JSON.stringify(['EOSE', m[1]]) })), 0); return; } if (m[0] === 'EVENT') return; } catch {} return send(d); }; return ws; };
window.WebSocket.prototype = Real.prototype; Object.assign(window.WebSocket, Real);
screen.orientation.lock = () => Promise.resolve(); screen.orientation.unlock = () => {};
});
const errs = [];
page.on('pageerror', (e) => errs.push(String(e)));
const click = (t) => page.evaluate((x) => { const e = [...document.querySelectorAll('button')].find((n) => n.textContent.trim().toLowerCase().includes(x)); if (e) { e.click(); return true; } return false; }, t);
const waitText = async (x, ms = 25000) => { for (let i = 0; i < ms / 250; i++) { if ((await page.evaluate(() => document.body.innerText)).toLowerCase().includes(x)) return true; await sleep(250); } return false; };
const waitFor = async (fn, arg, ms = 10000) => { for (let i = 0; i < ms / 100; i++) { if (await page.evaluate(fn, arg)) return true; await sleep(100); } return false; };
const st = () => page.evaluate(() => { const s = [...document.querySelectorAll('.mp-slide')].find((x) => { const r = x.getBoundingClientRect(); return Math.abs(r.top) < 4 && Math.abs(r.left) < 4; }); const v = s && s.querySelector('video.mp-media'); return { on: s ? s.getAttribute('data-k').split('/').pop() : 'between', paused: v ? v.paused : null, show: !!document.querySelector('.media-pager.show') }; });
// a touch from (x, y) that moves dy (and dx) over a few steps, quickly
const drag = async (x, y, dx, dy, steps = 3) => {
await page.touchscreen.touchStart(x, y);
for (let i = 1; i <= steps; i++) { await page.touchscreen.touchMove(x + dx * i / steps, y + dy * i / steps); await sleep(16); }
await page.touchscreen.touchEnd();
await sleep(900);
};
try {
await page.setViewport({ width: 390, height: 844, hasTouch: true });
await page.goto(server.url.href, { waitUntil: 'domcontentloaded' });
await page.evaluate(() => localStorage.setItem('btc-wallet-network', 'regtest'));
await page.reload({ waitUntil: 'domcontentloaded' }); await sleep(400);
await click('create a new wallet'); await sleep(600);
await page.waitForSelector('.words .w .t');
const mn = (await page.$$eval('.words .w .t', (l) => l.map((e) => e.textContent.trim()))).join(' ');
await click('skip verification');
await waitText('receive', 20000);
const base = cacheKeyFor(mn + '\n');
await page.evaluate(([k, pk, ns]) => {
localStorage.setItem(k + ':follows', JSON.stringify({ tags: [['p', pk]], c: '', at: Math.floor(Date.now() / 1000) }));
localStorage.setItem(k + ':feedNotes', JSON.stringify(ns));
localStorage.setItem(k + ':profiles', JSON.stringify({ [pk]: { name: 'Clip Poster', t: Date.now() } }));
localStorage.setItem('btc-wallet-feed:' + k, 'following');
}, [base, AUTHOR, seeded]);
await page.reload({ waitUntil: 'domcontentloaded' });
await waitText('receive', 20000);
await page.evaluate(() => document.querySelector('.app-nav-button[aria-label="Feed"]').click());
await page.waitForSelector('.notes-feed video.note-video', { timeout: 20000 });
await page.evaluate(() => [...document.querySelectorAll('.notes-feed [data-key]')].find((n) => n.textContent.includes('a tall one')).querySelector('video.note-video').scrollIntoView({ block: 'center' }));
await sleep(1200);
const at = await page.evaluate(() => { const b = [...document.querySelectorAll('.notes-feed [data-key]')].find((n) => n.textContent.includes('a tall one')).querySelector('video.note-video').getBoundingClientRect(); return { x: b.x + b.width * 0.2, y: b.y + b.height * 0.3 }; });
await page.touchscreen.tap(at.x, at.y);
check('the pager opens on the clip', await waitFor(() => !!document.querySelector('.media-pager.videos'), null, 4000));
await waitFor(() => { const v = document.querySelector('.media-pager video[src]'); return v && !v.paused && v.currentTime > 0.5; }, null, 8000);
await sleep(1000); // past the opening tap's own click
let s = await st();
check('it plays', s.on === 'tall.webm' && s.paused === false, JSON.stringify(s));
console.log('\n[a tap whose finger drifts]');
await drag(195, 420, 0, -18);
s = await st();
check('18px up: a tap — the clip pauses', s.paused === true, JSON.stringify(s));
check('…on the slide it was on', s.on === 'tall.webm', JSON.stringify(s));
await drag(195, 420, 6, 14);
s = await st();
check('14px down and a little across: a tap — it plays on, still there', s.paused === false && s.on === 'tall.webm', JSON.stringify(s));
await drag(195, 420, 0, -25, 1);
s = await st();
check('a quick 25px flick: still a tap — paused, not paged', s.paused === true && s.on === 'tall.webm', JSON.stringify(s));
await drag(195, 420, 0, 0, 1);
s = await st();
check('a still tap plays it again', s.paused === false && s.on === 'tall.webm', JSON.stringify(s));
console.log('\n[a swipe is still a swipe]');
await drag(195, 650, 0, -320, 8);
s = await st();
check('a 320px swipe up: the next post', s.on !== 'tall.webm' && s.on !== 'between', JSON.stringify(s));
const was = s.on;
await drag(195, 500, 0, 300, 8);
s = await st();
check('a 300px swipe down: back a post', s.on === 'tall.webm', JSON.stringify(s));
// a slow, short drag (past a tap, short of a fifth of the screen): back where it was
await page.touchscreen.touchStart(195, 500);
for (let i = 1; i <= 10; i++) { await page.touchscreen.touchMove(195, 500 - 7 * i); await sleep(60); }
await sleep(200); await page.touchscreen.touchEnd(); await sleep(900);
s = await st();
check('a slow 70px drag springs back', s.on === 'tall.webm', JSON.stringify(s));
await drag(195, 500, 0, -80, 2);
s = await st();
check('a quick 80px flick up: the next post', s.on === was, JSON.stringify(s));
check('no page errors', errs.length === 0, errs.slice(0, 2).join(' | '));
} finally { await browser.close(); server.stop(true); }
console.log(ok ? '\n✅ a little movement is still a tap' : '\n❌ failed');
process.exit(ok ? 0 : 1);
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